/*
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 * and open the template in the editor.
 */
package Servlet;

import Database.UserData;
import Entity.User;
import bussiness.ValidateInput;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Sony
 */
@WebServlet(name = "AddUser", urlPatterns = {"/AddUser"})
public class AddUser extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        String fname = request.getParameter("fname");
        String lname = request.getParameter("lname");
        String email = request.getParameter("email");
        ArrayList<String> listErrors = ValidateInput.validate(fname, lname, email);
        if (!listErrors.isEmpty()) {
            for (int i = 0; i < listErrors.size(); i++) {
                int count = i + 1;
                out.println("<p style=\"color: tomato\">"+ count +"."+ listErrors.get(i)+"</p>");
                out.println("<br/>");
            }
        } else {
            User user = new User();
            user.setFname(fname.trim());
            user.setLname(lname.trim());
            user.setPassword("123456");
            user.setEmail(email.trim());
            user.setRole("user");

            try {
                boolean status = UserData.insertUser(user);
                if (status) {
                    out.println("<b>Success! </b> User saved successfully");
                } else {
                    out.println("<p style=\"color: tomato\"><b>Fail! </b> User saved fail , please try again</p>");
                }
            } catch (SQLException ex) {
                out.println("<p style=\"color: tomato\"><b>Fail! </b> Duplicate email , please choose another email</p>");

            } catch (ClassNotFoundException ex) {
                Logger.getLogger(AddUser.class.getName()).log(Level.SEVERE, null, ex);
            } finally {
                out.close();
            }
        }

    }
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
